General The American serpentine leaf miner ( Liriomyza trifolii ) originates from North America, but occurs also in Europe since about 1976. The American serpentine leaf miner ( Liriomyza trifolii ) i
General The beet armyworm (Spodoptera exigua) has become a regular problem for horticulturalists due to its resistance to nearly all insecticides, and its ability to develop on wild vegetation during
General The cotton leafworm (Spodoptera littoralis) is a highly polyphagous species feeding on plants of 40 families, containing 87 species of economic importance. It originates in Egypt, and is curre
General The cotton bollworm ( Helicoverpa armigera ) occurs in the tropics and sub-tropics of all continents except for North America. Larvae of the cotton bollworm ( Helicoverpa armigera ) are highly
General The cotton aphid ( Aphis gossypii ) is an extremely polyphagous aphid found on more than 700 plant species. Crop plants attacked by this aphid include cotton, citrus, coffee, cocoa, eggplant,
Overview It is a pest of huge economic importance, which initially affected potatoes and in recent years has become a problem for other Solanaceae crops such as tomatoes, peppers, aubergines, and toba
Biological control of spider mites and other mites Spider mites and other mite species can rapidly infest greenhouse and field crops, feeding on plant cells and causing leaf discoloration, reduced pho
Hemiptera Whitefly What are whiteflies? Whiteflies are not true flies , but belong to the order Hemiptera (true bugs ). Together with aphids and scale insects, they belong to the division Sternorrhync
General The obscure mealy bug ( Pseudococcus viburni ) (formerly known as Pseudococcus affinis) originates from South America, but can now be found in many parts of the world with a temperate climate.
General The tomato leaf miner (Tuta absoluta), a major pest of field- and greenhouse-grown tomatoes, belongs to the family of Gelechiidae . It is oligophagous, feeding mainly on Solanaceae species . T